Pseudotriakidae


The Pseudotriakidae are a small family of ground sharks, belonging to the order Carcharhiniformes, containing the false catsharks and gollumsharks . It contains the only ground shark species that exhibit intrauterine oophagy, in which developing fetuses are nourished by eggs produced by their mother.

Undescribed species

One undescribed species is known - one in the genus Gollum, - the white-marked gollumshark.